Quick answers
- Is CVE-2026-123331 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-123331 being exploited in the wild.
- How severe is CVE-2026-123331?
- Medium severity, with a CVSS score of 5.4, published 6 November 2026.
- Which products and versions are affected?
- Jetbrains YouTrack before 2026.2.19197.
- Is there a fix for CVE-2026-123331?
- Yes: fixed in YouTrack 2026.2.19197. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-123331 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-123331?
- Check whether you run Jetbrains YouTrack at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: YouTrack 2026.2.19197
Technical details
An authorization flaw in YouTrack's article management allows users with editor privileges to modify the visibility settings of child articles that should have restricted access. The vulnerability affects article visibility controls, and an authenticated attacker with editor role can exploit it without additional user interaction to escalate privileges on restricted content.
Affected products
- JetBrains YouTrack before 2026.2.19197
Timeline
- 2026-11-06: disclosed